<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>测试文件上传</title>
</head>
<body>
    <form method="post" action="/file/upload" enctype="multipart/form-data">
        <input type="file" name="upload">
        <input type="submit" value="上传">
    </form>
</body>
</html>